#include<cstdlib>
#include<iostream>
#include<string>
#define USER "USER"
using namespace std;
int main(int argc,char* argv[]){
 /* string user = getenv(USER);
  if(user == "claus"){
    cout<<"WELL COME"<<endl;
  }else{
    cout<<"identification denied"<<endl;
  }*/
  cout<<argc<<endl;
  for(int i = 0; argv[i];i++){
    cout<<argv[i]<<endl;
  }
  /*for(int i = 0; env[i] ; i++ ){
    cout<<env[i]<<endl;
  }*/
  extern char** environ;
  for(int i = 0; environ[i]; i++){
    cout<<environ[i]<<endl;
  }


  return 0;
}
